YAHOO NEWS:Apple CEO Tim Cook says he will donate his fortune to charityBusiness tycoon-philanthropists Bill Gates and Warren Buffett have some new company: Apple Chief Executive Tim Cook.03/27/2015 - 3:47 pm | View LinkMore BING NEWS:Bill Gates, Other Donors Pledge Record Amount To Vaccinate Poor ChildrenBERLIN (AP) -- Governments and private donors, among them the Bill and Melinda Gates Foundation